The spread of the H1N1 flu, the "swine flu," is thought to spread from person to person through coughing or sneezing. Health officials encourage you to wash your hands often with soap and warm water.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How many bacteria live on a subway seat? What about on your wallet? In ...

He used a powder called Glo Germ, which, like real life germs, is invisible and spreads from surface to surface through contact. Unlike germs, however, it can be seen under a blacklight, enabling ...

Should you keep the toilet seat lid up or down is a surprisingly common question in many households, especially where bathrooms are shared by families or roommates. It may seem like a small and ...

Have you ever wondered why most disinfectants indicate they kill 99.9% or 99.99% of germs, but never promise to wipe out all of them? Perhaps the thought has crossed your mind mid-way through cleaning ...